Home / 7,572.87-10,448.96-4,776.75

Finding the Fourth Proportional to 7,572.87, 10,448.96 and 4,776.75

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Solution

The fourth proportional to 7,572.87, 10,448.96 and 4,776.75 is: 6,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.87 : 10,448.96 = 4,776.75 : x
  2. Step 2: Convert to fraction form
    7,572.87/10,448.96 = 4,776.75/x
  3. Step 3: Cross multiply
    7,572.87x = 10,448.96 × 4,776.75
  4. Step 4: Simplify right side
    7,572.87x = 49,912,045.80
  5. Step 5: Solve for x
    x = 49,912,045.80/7,572.87
  6. Step 6: Final answer
    x = 6,590.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.